In this lesson, students will investigate the nature of radioactivity and the effect of both distance and shielding materials on different radioactive sources using a Geiger-Muller tube with a counter ...

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...

Computer rendering of the experimental setup to detect decay signatures of isotopes. A beam of excited sodium-32 nuclei implants and decays in the Facility for Rare Isotope Beams Decay Station ...

Sean Liddick receives funding from the Department of Energy . Artemis Spyrou receives funding from the National Science Foundation in the U.S. Just a few hundred feet from where we are sitting is a ...

Naturally occurring radioactive elements are substances whose atomic nuclei are unstable. To become stable, these nuclei spontaneously break down, or decay, by releasing energy in the form of ...